<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{%  block title %}{% endblock %}-问答平台</title>
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity=
            "sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

    <script> src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"</script>

    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity=
            "sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin=
            "anonymous"></script>

    <link rel="stylesheet" href="{{ url_for('static', filename='css/base.css') }}">

    {% block head %}{% endblock %}

</head>
<body>
    <nav class="navbar navbar-default">
              <div class="container">
                <!-- Brand and toggle get grouped for better mobile display -->
                <div class="navbar-header">
                  <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                  </button>
                  <a class="navbar-brand" href="#">
                      <img class="logo" src="{{ url_for('static', filename= 'images/qingwalogo.jpg') }}" alt="">
                  </a>
                </div>

                <!-- Collect the nav links, forms, and other content for toggling -->
                <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                  <ul class="nav navbar-nav">
                    <li class="active"><a href="/">首页 <span class="sr-only">(current)</span></a></li>
                    <li><a href="{{ url_for('question') }}">发布问答</a></li>
                  </ul>
                  <form class="navbar-form navbar-left" action="{{ url_for('search') }}" method="get">
                    <div class="form-group">
                      <input name="q" type="text" class="form-control" placeholder="请输入关键字">
                    </div>
                    <button type="submit" class="btn btn-default">查找</button>
                  </form>
                  <ul class="nav navbar-nav navbar-right">
                      {% if user %}
                          <li><a href="#">{{ user.username }}</a></li>
                          <li><a href="{{ url_for('logout') }}">注销</a></li>
                      {% else %}
                          <li><a href="{{ url_for('login') }}">登录</a></li>
                          <li><a href="{{ url_for('regist') }}">注册</a></li>
                      {% endif %}
                  </ul>
                </div><!-- /.navbar-collapse -->
              </div><!-- /.container-fluid -->
            </nav>

            <div class='main'>
                 {% block main %}{% endblock %}
            </div>

</body>
</html>
